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ThinkPad X40 Series 8 Cell (4.5 Ah) Li-Ion Battery - Overview
Features and specifications

The ThinkPad X40 Series 8 Cell (4.5Ah) Li-Ion Battery (92P1119) offers:

  • Li-Ion technology
  • Eight-cell, rechargeable system battery, 14.4 V, 4.5Ah
  • 7.5-hour average battery life
  • Standard system battery specifications
  • Over-discharge protection


1 year Limited – customer carry-in exchange

  • Available: April 2005
  • Discontinued, withdrawn from marketing: December 2009

Hardware compatibility

The ThinkPad X40, X41

  • Battery
  • Publications

Agency approvals
CE MARK, UL-1950, C-UL, ACA/C-Tick

Additional product information
Service parts - Part number listing for your product

User's guide - Instruction manual for your product

Lenovo Support: Batteries: Reference Guide - A list of other batteries
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.
All Day Computing ( - Information on batteries, including estimated battery life, and power adapters

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Document ID : PD003141
Legacy Document ID : MIGR-59103
Last Updated :
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